Pith Number

pith:NMXZ33XG

pith:2019:NMXZ33XGAPK72GLFHS7C65ZD7V

not attested not anchored not stored refs pending

SPECULATOR: Emulating stellar population synthesis for fast and accurate galaxy spectra and photometry

Benjamin D. Johnson, Boris Leistedt, ChangHoon Hahn, Charlie Conroy, Daniel Mortlock, Hiranya Peiris, Joel Leja, Justin Alsing, Rita Tojeiro

arxiv:1911.11778 v2 · 2019-11-26 · astro-ph.IM · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMXZ33XGAPK72GLFHS7C65ZD7V}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

2 papers in Pith

Modeling nonlinear scales for dynamical dark energy cosmologies with COLA

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-07-05T01:16:42.275336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2f9deee603d5fd19653cbe2f7723fd5b430d352cf2e3fca606d2880183ed4d

Aliases

arxiv: 1911.11778 · arxiv_version: 1911.11778v2 · doi: 10.48550/arxiv.1911.11778 · pith_short_12: NMXZ33XGAPK7 · pith_short_16: NMXZ33XGAPK72GLF · pith_short_8: NMXZ33XG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NMXZ33XGAPK72GLFHS7C65ZD7V \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6b2f9deee603d5fd19653cbe2f7723fd5b430d352cf2e3fca606d2880183ed4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5058f713f20990d10421df4b3758a9ef387e0b250839e360a0218670862e3b5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-26T19:00:00Z",
    "title_canon_sha256": "a63bb7477a26504c37c7b1adafcae8eef0ab69f53e4cb3d0bf5b3e5dcdb31643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11778",
    "kind": "arxiv",
    "version": 2
  }
}